import java.io.*;
public class GameHelper{
    public String getUserInput(String prompt){
      String inputLine = null;
      System.out.println(prompt + " ");
      try{
        BufferedReader is = new BufferedReader( new InputStreamReader(System.in));
        inputLine = is.readLine();
        if (inputLine.length() == 0){
          return null;
        }
      }
      catch(IOException e){
        System.out.println("IOException: " + e);
      }
      return inputLine;
    }
}
